Adapter



FIG. 1 is a perspective view of the adapter showing my new design;

FIG. 2 is an end elevational view taken from the left end of FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an elevational view taken from the right side of FIG. 3, the left elevational view being a mirror image thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is an end elevational view taken from the right end of FIG. 1. 

The ornamental design for an adapter, as shown. 